#include <stdio.h>
#include <math.h>

int main(void){
    int i = 3, x, flg = 0;
    long long N;
    scanf("%lld", &N);
    x = (int)floor(sqrt((double)N));
    if(N<=3){
        printf("NO\n");
    }else if(N%2==0){
        printf("YES\n");
    }else{
        while(i<=x){
            if(N%i==0){
                printf("YES\n");
                flg = 1;
                break;
            }
            i = i + 2;
        }
        if(!flg) printf("NO\n");
    }
    return 0;
}